From e813580c36dc52c61a30dd2f71498fa1033df111 Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Wed, 29 Oct 2014 17:55:39 +0000 Subject: [PATCH] staging: vt6655: dead code remove michael.c/h Signed-off-by: Malcolm Priestley Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vt6655/Makefile | 1 - drivers/staging/vt6655/michael.c | 148 ------------------------------- drivers/staging/vt6655/michael.h | 52 ----------- drivers/staging/vt6655/rxtx.c | 1 - 4 files changed, 202 deletions(-) delete mode 100644 drivers/staging/vt6655/michael.c delete mode 100644 drivers/staging/vt6655/michael.h diff --git a/drivers/staging/vt6655/Makefile b/drivers/staging/vt6655/Makefile index f49f12bc8b17..5449cedefdba 100644 --- a/drivers/staging/vt6655/Makefile +++ b/drivers/staging/vt6655/Makefile @@ -17,7 +17,6 @@ vt6655_stage-y += device_main.o \ tether.o \ tcrc.o \ key.o \ - michael.o \ rf.o \ vntwifi.o diff --git a/drivers/staging/vt6655/michael.c b/drivers/staging/vt6655/michael.c deleted file mode 100644 index edee48777aac..000000000000 --- a/drivers/staging/vt6655/michael.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * - * File: michael.cpp - * - * Purpose: The implementation of LIST data structure. - * - * Author: Kyle Hsu - * - * Date: Sep 4, 2002 - * - * Functions: - * s_dwGetUINT32 - Convert from unsigned char [] to unsigned long in a portable way - * s_vPutUINT32 - Convert from unsigned long to unsigned char [] in a portable way - * s_vClear - Reset the state to the empty message. - * s_vSetKey - Set the key. - * MIC_vInit - Set the key. - * s_vAppendByte - Append the byte to our word-sized buffer. - * MIC_vAppend - call s_vAppendByte. - * MIC_vGetMIC - Append the minimum padding and call s_vAppendByte. - * - * Revision History: - * - */ - -#include "tmacro.h" -#include "michael.h" - -/*--------------------- Static Definitions -------------------------*/ - -/*--------------------- Static Variables --------------------------*/ - -/*--------------------- Static Functions --------------------------*/ - -static void s_vClear(void); // Clear the internal message, -// resets the object to the state just after construction. -static void s_vSetKey(u32 dwK0, u32 dwK1); -static void s_vAppendByte(unsigned char b); // Add a single byte to the internal message - -/*--------------------- Export Variables --------------------------*/ -static u32 L, R; /* Current state */ - -static u32 K0, K1; /* Key */ -static u32 M; /* Message accumulator (single word) */ -static unsigned int nBytesInM; // # bytes in M - -/*--------------------- Export Functions --------------------------*/ - -static void s_vClear(void) -{ - // Reset the state to the empty message. - L = K0; - R = K1; - nBytesInM = 0; - M = 0; -} - -static void s_vSetKey(u32 dwK0, u32 dwK1) -{ - // Set the key - K0 = dwK0; - K1 = dwK1; - // and reset the message - s_vClear(); -} - -static void s_vAppendByte(unsigned char b) -{ - // Append the byte to our word-sized buffer - M |= b << (8*nBytesInM); - nBytesInM++; - // Process the word if it is full. - if (nBytesInM >= 4) { - L ^= M; - R ^= ROL32(L, 17); - L += R; - R ^= ((L & 0xff00ff00) >> 8) | ((L & 0x00ff00ff) << 8); - L += R; - R ^= ROL32(L, 3); - L += R; - R ^= ROR32(L, 2); - L += R; - // Clear the buffer - M = 0; - nBytesInM = 0; - } -} - -void MIC_vInit(u32 dwK0, u32 dwK1) -{ - // Set the key - s_vSetKey(dwK0, dwK1); -} - -void MIC_vUnInit(void) -{ - // Wipe the key material - K0 = 0; - K1 = 0; - - // And the other fields as well. - //Note that this sets (L,R) to (K0,K1) which is just fine. - s_vClear(); -} - -void MIC_vAppend(unsigned char *src, unsigned int nBytes) -{ - // This is simple - while (nBytes > 0) { - s_vAppendByte(*src++); - nBytes--; - } -} - -void MIC_vGetMIC(u32 *pdwL, u32 *pdwR) -{ - // Append the minimum padding - s_vAppendByte(0x5a); - s_vAppendByte(0); - s_vAppendByte(0); - s_vAppendByte(0); - s_vAppendByte(0); - // and then zeroes until the length is a multiple of 4 - while (nBytesInM != 0) - s_vAppendByte(0); - - // The s_vAppendByte function has already computed the result. - *pdwL = L; - *pdwR = R; - // Reset to the empty message. - s_vClear(); -} diff --git a/drivers/staging/vt6655/michael.h b/drivers/staging/vt6655/michael.h deleted file mode 100644 index 86cb140e3087..000000000000 --- a/drivers/staging/vt6655/michael.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * - * File: Michael.h - * - * Purpose: Reference implementation for Michael - * written by Niels Ferguson - * - * Author: Kyle Hsu - * - * Date: Jan 2, 2003 - * - */ - -#ifndef __MICHAEL_H__ -#define __MICHAEL_H__ - -#include - -void MIC_vInit(u32 dwK0, u32 dwK1); - -void MIC_vUnInit(void); - -/* Append bytes to the message to be MICed */ -void MIC_vAppend(unsigned char *src, unsigned int nBytes); - -/* Get the MIC result. Destination should accept 8 bytes of result. */ -/* This also resets the message to empty. */ -void MIC_vGetMIC(u32 *pdwL, u32 *pdwR); - -/* Rotation functions on 32 bit values */ -#define ROL32(A, n) \ - (((A) << (n)) | (((A)>>(32-(n))) & ((1UL << (n)) - 1))) -#define ROR32(A, n) ROL32((A), 32-(n)) - -#endif /*__MICHAEL_H__ */ diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c index 5ece2db9a2d4..4770b9cf622b 100644 --- a/drivers/staging/vt6655/rxtx.c +++ b/drivers/staging/vt6655/rxtx.c @@ -55,7 +55,6 @@ #include "bssdb.h" #include "mac.h" #include "baseband.h" -#include "michael.h" #include "tcrc.h" #include "wctl.h" #include "rf.h" -- 2.34.1